<html>
  <head>
    <style>
      body {
        margin: 40px;
      }
      iframe {
        margin: 40px;
      }
    </style>
  </head>
  <body>
    parent
    <br>
    <br>
    <iframe src="http://localhost:9091/testing/safari-cross-origin-iframe/iframe.html"></iframe>
  </body>
</html>
